The shown hub is suitable for replacement, due to lateral runout above 0.020 mm.
At your own risk, you can fit a new brake disc on such a hub and it should not be a problem, but the runout is over the minimum indicated by, for example, ATE.
See how to measure the brake disc beat: • Pomiar bicia tarcz i p...
The dial gauge can be bought online in your garage, it can be useful for other precise measurements. See the sample price: goo.gl/ARAKBq
23 ноя 2018